PubMed:32141570 / 1212-1214
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T188","span":{"begin":0,"end":2},"obj":"CD"}],"text":"27"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok205","span":{"begin":0,"end":2},"obj":"CD"}],"text":"27"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T5","span":{"begin":0,"end":2},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"}],"text":"27"}